Crystal McKellar (Born August 16, 1976) is an American attorney and former actress.
McKellar was born in San Diego, California, but when she was seven years old, her family moved to Los Angeles. She and her sister Danica began to show interest in acting, sometimes competing against each other for roles. The two sisters were students at the Diane Hill Hardin Young Actors Space school.
When her sister won the part of Winnie Cooper in The Wonder Years, directors had strongly considered giving the part to Crystal. She in fact played Becky Slater, who became Winnie's romantic rival.
She was nominated for the Best Young Actress Guest Starring In A Television Series award at the eleventh annual Youth in Film Award in 1988 and 1989.
McKellar studied economics at Yale University from 1996 to 1999, graduating magna cum laude. While at Yale she was the editor of a magazine named Portia, and skiied for the university. She graduated from Harvard Law School (cum laude) in 2003, and is now an associate attorney at the law firm of Davis Polk & Wardwell.